save project

my_Tetris.py

@@ -22,7 +22,16 @@ while True:
             exit()
 
     # 将背景图画上去
-    ???
+    while True
+         for event in pygame.event.get():
+             if event.type==locals.QUIT
+             exit()
+             if event.type==locals.KEYDOWN
+             if event.key==locals.K-LEET:
+                 if center[1] < 15:
+                     center[1]+=1
+            elifevent.key==locals.K-LEET:
+                =]
     # 得分
     ???
     # 刷新画面